CVE-2026-8463
Description
A flaw was found in Crypt::Argon2 for Perl. This vulnerability, a heap out-of-bounds read, occurs in the argon2_verify function when processing an empty encoded input. An integer underflow causes the software to read beyond the allocated memory, which can lead to a denial of service (DoS) by crashing the application. It could also result in information disclosure by revealing sensitive memory contents.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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